Clean up pbr.cginc

Remove unused code & cruft. Ray marcher now updates i.worldPos before
executing PBR shading, which fixes some artifacts.

1 files changed, 1 insertions, 0 deletions

diff --git a/Shaders/ray_march.cginc b/Shaders/ray_march.cginc
index e149d0b..609e5d4 100644
--- a/Shaders/ray_march.cginc
+++ b/Shaders/ray_march.cginc
@@ -222,6 +222,7 @@ float4 stt_ray_march(float3 ro, float3 rd, inout v2f v2f_i, inout float depth)
 
     float3 normal = stt_calculate_normal(current_position);
     v2f_i.normal = normalize(mul(unity_ObjectToWorld, normal));
+    v2f_i.worldPos = mul(unity_ObjectToWorld, float4(current_position, 1.0)).xyz;
 
     float epsilon = .005;
     float letter_mask = 0;